Answer
C
Work Step by Step
Using the origin as a test point, we can see that $y\lt5$ is a true statement ($0 \lt5$) and $x\gt3$ is a false statement ($0\gt 3$).
With $y\lt5$ being true, we would shade below the line $y=5$. With $x\gt3$ being false, we would shade to the right of the line $x=3$.